>> i feel like i have to rush to the defense of people who look boyish. >> but you're not running for vice president. >> thank god. >> but if you were, that would be part of the case you had to make that you were ready. this is not the most important issue tonight, but it has been bugging me as give been doing all this prep is when before mitt romney picked paul ryan he was making the case on the campaign trail that nobody should be allowed to run for president of the united states. amend the u.s. constitution so you couldn't run unless you had significant private sector experience, except for paul ryan who he picked to be his vice presidential nominee. do you think that distance between ryan and romney, ed, is the most important thing? most important opening tonight for joe biden? >> well, in your opening you talked about how they're very much the same. washingtonites. but the way they got there is a lot different. ryan's path was one of privilege. joe biden's was one of true middle class. i think tonight's debate is as much about how liberals are going to feel when it's over with, a